Files
boost_unordered/test/unordered/rehash_tests.cpp
Daniel James 6f45d36d97 Merge hash and unordered changes.
Remove deprecated headers, move hash_fwd.hpp into hash subdirectory. And
several minor internal changes.
Mostly minor internal details.

Merged revisions 51262-51263,51407-51409,51504-51505,51644-51646,51667 via svnmerge from 
https://svn.boost.org/svn/boost/trunk

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  r51262 | danieljames | 2009-02-15 19:32:04 +0000 (Sun, 15 Feb 2009) | 1 line
  
  Use the new 'boost:' links for the hash, unordered and quickbook documentation.
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  r51263 | danieljames | 2009-02-15 19:32:19 +0000 (Sun, 15 Feb 2009) | 2 lines
  
  Don't copy images for the standalone hash and unordered documentation, was only
  really required before the libraries were integrated into boost.
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  r51407 | danieljames | 2009-02-22 23:49:51 +0000 (Sun, 22 Feb 2009) | 1 line
  
  Fix the hash dirname.
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  r51408 | danieljames | 2009-02-22 23:50:04 +0000 (Sun, 22 Feb 2009) | 1 line
  
  Make copy_buckets and move_buckets member functions - so that calling them is a bit simpler.
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  r51409 | danieljames | 2009-02-22 23:50:20 +0000 (Sun, 22 Feb 2009) | 1 line
  
  Move some of the data structure classes out of hash table data.
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  r51504 | danieljames | 2009-03-01 14:15:09 +0000 (Sun, 01 Mar 2009) | 1 line
  
  Add missing return for operator=.
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  r51505 | danieljames | 2009-03-01 14:15:39 +0000 (Sun, 01 Mar 2009) | 3 lines
  
  Make the sort stable.
  
  Doesn't really matter, but it might as well be.
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  r51644 | danieljames | 2009-03-08 09:44:51 +0000 (Sun, 08 Mar 2009) | 1 line
  
  Detab.
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  r51645 | danieljames | 2009-03-08 09:45:11 +0000 (Sun, 08 Mar 2009) | 4 lines
  
  Move hash_fwd into the hash subdirectory.
  
  I should have done this in the last release. But now all of the hash
  implementation is in the hash subdirectory.
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  r51646 | danieljames | 2009-03-08 09:45:30 +0000 (Sun, 08 Mar 2009) | 3 lines
  
  Remove deprecated headers.
  
  Fixes #2412.
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  r51667 | danieljames | 2009-03-09 20:56:23 +0000 (Mon, 09 Mar 2009) | 1 line
  
  Update copyright dates in hash and unordered.
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[SVN r51729]
2009-03-11 22:51:09 +00:00

73 lines
1.8 KiB
C++

// Copyright 2006-2009 Daniel James.
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
#include "../helpers/test.hpp"
#include "../helpers/random_values.hpp"
#include "../helpers/tracker.hpp"
namespace rehash_tests
{
test::seed_t seed(2974);
template <class X>
bool postcondition(X const& x, BOOST_DEDUCED_TYPENAME X::size_type n)
{
return x.bucket_count() > x.size() / x.max_load_factor() && x.bucket_count() >= n;
}
template <class X>
void rehash_empty_test1(X* = 0)
{
X x;
x.rehash(10000);
BOOST_CHECK(postcondition(x, 10000));
x.rehash(0);
BOOST_CHECK(postcondition(x, 0));
}
template <class X>
void rehash_test1(X* = 0, test::random_generator generator = test::default_generator)
{
test::random_values<X> v(1000, generator);
test::ordered<X> tracker;
tracker.insert_range(v.begin(), v.end());
X x(v.begin(), v.end());
x.rehash(0); BOOST_CHECK(postcondition(x, 0));
tracker.compare(x);
x.max_load_factor(0.25);
x.rehash(0); BOOST_CHECK(postcondition(x, 0));
tracker.compare(x);
x.max_load_factor(50.0);
x.rehash(0); BOOST_CHECK(postcondition(x, 0));
tracker.compare(x);
x.rehash(1000); BOOST_CHECK(postcondition(x, 1000));
tracker.compare(x);
}
boost::unordered_set<int>* int_set_ptr;
boost::unordered_multiset<int>* int_multiset_ptr;
boost::unordered_map<int, int>* int_map_ptr;
boost::unordered_multimap<int, int>* int_multimap_ptr;
UNORDERED_TEST(rehash_empty_test1,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))
)
UNORDERED_TEST(rehash_test1,
((int_set_ptr)(int_multiset_ptr)(int_map_ptr)(int_multimap_ptr))
)
}
RUN_TESTS()